<template>
  <div class="container m-top-20">
    <div class="top-category">
      <!-- banner -->
      <XtxSlider :sliders="bannerList" />
      <!-- 分类列表 -->
      <!-- 所有二级分类 -->
      <div class="sub-list">
          <h3>全部分类</h3>
          <ul>
            <li v-for="i in categoryData.children" :key="i.id">
              <a href="javascript:;">
                <img :src="i.picture" >
                <p>{{ i.name }}</p>
              </a>
            </li>
          </ul>
      </div>
      <!-- 分类关联商品 -->
      <div class="ref-goods" v-for="item in categoryData.children" :key="item.id">
        <div class="head">
          <h3>-  {{ item.name }}  -</h3>
          <XtxMore to="/" />
        </div>
        <div class="body">
          <RouterLink to="/" class="goods-item" v-for="good in item.goods" :key="good">
            <img
              :src="good.picture"
              alt=""
            />
            <p class="name ellipsis">{{ good.name }}</p>
            <p class="desc ellipsis">{{ good.desc }}</p>
            <p class="price">&yen;{{ good.price }}</p>
          </RouterLink>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import useBanner from './service/useBanner'
import useCategory from './service/useCategory'
// 按照业务逻辑抽象组合函数 达到方便维护的目的
export default {
  name: 'category-index',
  setup () {
    // banner功能
    const { bannerList } = useBanner()
    // 分类功能
    const { categoryData } = useCategory()
    return {
      bannerList,
      categoryData
    }
  }
}
</script>

<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
  .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: space-around;
      padding: 0 40px 30px;
    }
  }
}
</style>

<!-- 补充样式-->
<style lang="less" scoped>
 .goods-item {
    display: block;
    width: 220px;
    padding: 20px 30px;
    text-align: center;
    img {
      width: 160px;
      height: 160px;
    }
    p {
      padding-top: 10px;
    }
    .name {
      font-size: 16px;
    }
    .desc {
      color: #999;
      height: 29px;
    }
    .price {
      color: @priceColor;
      font-size: 20px;
    }
  }
</style>
